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(11)

EP 0 041 557 A1

(12)

(43)	Date of publication:
	16.12.1981 Bulletin 1981/50

(21)	Application number: 81900161.0

(22)	Date of filing: 07.11.1980

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International Patent Classification (IPC):

F28D 1/ 053^{( . )}
F28F 1/ 32^{( . )}
F28F 19/ 00^{( . )}

F28D 7/ 00^{( . )}
F28F 9/ 00^{( . )}

(86)	International application number:
	PCT/US1980/001516

(87)	International publication number:
	WO 1981/001608 (11.06.1981 Gazette 1981/14)

(84)	Designated Contracting States:
	DE FR GB

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Priority:

03.12.1979 WO 1979US01060

(71)	Applicant: CATERPILLAR TRACTOR CO.
	Peoria, Illinois 61629 (US)

(72)	Inventors:
	ANDERS, Gene A. Peoria, IL 61614 (US) LARSON, Herbert J. Washington, IL 61571 (US) MILLER, Charles R. Metamora, IL 61548 (US)

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